2973-75-3

• 常用中文名：2,3-二溴-4-羟基-5-甲氧基苯甲醛
• 常用英文名：2,3-dibromo-4-hydroxy-5-methoxybenzaldehyde
• CAS号：2973-75-3
• 分子式：C₈H₆Br₂O₃
• 分子量：309.93900
• 发布时间：2019-01-14 18:07:16
• 更新时间：2024-01-20 13:39:28

名称

• 中文名: 2,3-二溴-4-羟基-5-甲氧基苯甲醛
• 英文名: 2,3-dibromo-4-hydroxy-5-methoxybenzaldehyde
• 英文别名: 2,3-Dibrom-4-hydroxy-5-methoxy-benzaldehyd; 5,6-Dibrom-vanillin; 2,3-dibromo-4-hydroxy-5-methoxy-benzaldehyde; 5,6-dibromo-4-hydroxy-3-methoxybenzaldehyde; MFCD00016978; 2,3,5,6-TETRAFLUOROISONICOTINIC ACID; 5,6-Dibromovanillin

物化性质

• 密度: 1.988g/cm3
• 沸点: 334.4ºC at 760mmHg
• 熔点: 212-215 °C
• 分子式: C₈H₆Br₂O₃
• 分子量: 309.93900
• 闪点: 156ºC
• 精确质量: 307.86800
• PSA: 46.53000
• LogP: 2.73830
• 蒸汽压: 6.62E-05mmHg at 25°C
• 折射率: 1.651
• 储存条件:

  密闭于阴凉干燥环境中

• 稳定性:

  遵照规定使用和储存则不会分解。

• 分子结构:

  1、 摩尔折射率：56.94

  2、 摩尔体积（m³/mol）：155.9

  3、 等张比容（90.2K）：425.0

  4、 表面张力（dyne/cm）：55.2

  5、 极化率（10^-24cm³）：22.57

• 计算化学:

  1.疏水参数计算参考值（XlogP）:2.4

  2.氢键供体数量:1

  3.氢键受体数量:3

  4.可旋转化学键数量:2

  5.互变异构体数量:5

  6.拓扑分子极性表面积46.5

  7.重原子数量:13

  8.表面电荷:0

  9.复杂度:188

  10.同位素原子数量:0

  11.确定原子立构中心数量:0

  12.不确定原子立构中心数量:0

  13.确定化学键立构中心数量:0

  14.不确定化学键立构中心数量:0

  15.共价键单元数量:1

• 更多:

  1. 性状：无可用

  2. 密度（g/mL,25/4℃）：无可用

  3. 相对蒸汽密度（g/mL,空气=1）：无可用

  4. 熔点（ºC）：212-215

  5. 沸点（ºC,常压）：无可用

  6. 沸点（ºC,5.2kPa）：无可用

  7. 折射率：无可用

  8. 闪点（ºC）：无可用

  9. 比旋光度（º）：无可用

  10. 自燃点或引燃温度（ºC）：无可用

  11. 蒸气压（kPa,25ºC）：无可用

  12. 饱和蒸气压（kPa,60ºC）：无可用

  13. 燃烧热（KJ/mol）：无可用

  14. 临界温度（ºC）：无可用

  15. 临界压力（KPa）：无可用

  16. 油水（辛醇/水）分配系数的对数值：无可用

  17. 爆炸上限（%,V/V）：无可用

  18. 爆炸下限（%,V/V）：无可用

  19. 溶解性：无可用

MSDS

Name: 2 3-Dibromo-4-hydroxy-5-methoxybenzaldehyde Material Safety Data Sheet Synonym: CAS: 2973-75-3 Section 1 - Chemical Product MSDS Name:2 3-Dibromo-4-hydroxy-5-methoxybenzaldehyde Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 2973-75-3 2,3-Dibromo-4-hydroxy-5-methoxybenzald unlisted Hazard Symbols: XI Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Irritating to eyes, respiratory system and skin.Air sensitive. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: Causes respiratory tract irritation. May be harmful if inhaled. Chronic: Not available. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: Get medical aid. Wash mouth out with water. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Section 7 - HANDLING and STORAGE Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood. Storage: Store in a cool, dry place. Store in a tightly closed container. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 2973-75-3: Personal Protective Equipment Eyes: Not available. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Powder Color: white Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 212 - 215 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C8H6Br2O3 Molecular Weight: 309.94 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, hydrogen bromide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 2973-75-3 unlisted. LD50/LC50: Not available. Carcinogenicity: 2,3-Dibromo-4-hydroxy-5-methoxybenzaldehyde - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA No information available. IMO No information available. RID/ADR No information available. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 2973-75-3: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 2973-75-3 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 2973-75-3 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 该物质对环境可能有危害，对水体应给予特别注意。

安全

• 危害码 (欧洲): Xi
• 风险声明 (欧洲): 36/37/38
• 安全声明 (欧洲): S37/39-S26
• 海关编码: 2913000090

海关

海关编码	2913000090
中文概述	2913000090 品目2912所列产品的其他衍生物〔指卤化,磺化,硝化或亚硝化的衍生物〕. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%